Synergistic combination of alkali metal borates, sulfur compounds, phosphites and neutralized phosphates
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United States of America Patent
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Jan 5, 1988
Grant Date -
N/A
app pub date -
Sep 30, 1986
filing date -
Sep 30, 1986
priority date (Note) -
Expired
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Abstract
It has been found that a lubricating oil containing: (1) an alkali metal borate; (2) an oil-soluble sulfur compound; (3) a dialkyl hydrogen phosphite; and (4) a mixture of neutralized phosphates said phosphates being essentially free of monothiophosphates interacts synergistically to provide a lubricant with superior load carrying properties.
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